#ifndef _TERMIOS_H
#define _TERMIOS_H
/* termios type and macro definitions.  4.4 BSD/generic GNU version.
   Copyright (C) 1993-2017 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _TERMIOS_H
#error "Never include <bits/termios.h> directly; use <termios.h> instead."
#endif

/* These macros are also defined in some <bits/ioctls.h> files (with
   numerically identical values), but this serves to shut up cpp's
   complaining. */
#if defined __USE_MISC || defined __USE_XOPEN

#ifdef NL0
#undef NL0
#endif
#ifdef NL1
#undef NL1
#endif
#ifdef TAB0
#undef TAB0
#endif
#ifdef TAB1
#undef TAB1
#endif
#ifdef TAB2
#undef TAB2
#endif
#ifdef CR0
#undef CR0
#endif
#ifdef CR1
#undef CR1
#endif
#ifdef CR2
#undef CR2
#endif
#ifdef CR3
#undef CR3
#endif
#ifdef FF0
#undef FF0
#endif
#ifdef FF1
#undef FF1
#endif
#ifdef BS0
#undef BS0
#endif
#ifdef BS1
#undef BS1
#endif

#endif /* __USE_MISC || __USE_XOPEN */

#ifdef __USE_MISC

#ifdef MDMBUF
#undef MDMBUF
#endif
#ifdef FLUSHO
#undef FLUSHO
#endif
#ifdef PENDIN
#undef PENDIN
#endif

#endif /* __USE_MISC */

#ifdef ECHO
#undef ECHO
#endif
#ifdef TOSTOP
#undef TOSTOP
#endif
#ifdef NOFLSH
#undef NOFLSH
#endif

/* These definitions match those used by the 4.4 BSD kernel.
   If the operating system has termios system calls or ioctls that
   correctly implement the POSIX.1 behavior, there should be a
   system-dependent version of this file that defines `struct termios',
   `tcflag_t', `cc_t', `speed_t' and the `TC*' constants appropriately.  */

/* Type of terminal control flag masks.  */
typedef unsigned long int tcflag_t;

/* Type of control characters.  */
typedef unsigned char cc_t;

/* Type of baud rate specifiers.  */
typedef long int speed_t;

/* Terminal control structure.  */
struct termios {
	/* Input modes.  */
	tcflag_t c_iflag;
#define IGNBRK (1 << 0) /* Ignore break condition.  */
#define BRKINT (1 << 1) /* Signal interrupt on break.  */
#define IGNPAR (1 << 2) /* Ignore characters with parity errors.  */
#define PARMRK (1 << 3) /* Mark parity and framing errors.  */
#define INPCK (1 << 4) /* Enable input parity check.  */
#define ISTRIP (1 << 5) /* Strip 8th bit off characters.  */
#define INLCR (1 << 6) /* Map NL to CR on input.  */
#define IGNCR (1 << 7) /* Ignore CR.  */
#define ICRNL (1 << 8) /* Map CR to NL on input.  */
#define IXON (1 << 9) /* Enable start/stop output control.  */
#define IXOFF (1 << 10) /* Enable start/stop input control.  */
#if defined __USE_MISC || defined __USE_UNIX98
#define IXANY (1 << 11) /* Any character will restart after stop.  */
#endif
#ifdef __USE_MISC
#define IMAXBEL (1 << 13) /* Ring bell when input queue is full.  */
#endif
#ifdef __USE_GNU
#define IUCLC (1 << 14) /* Translate upper case input to lower case. */
#endif

	/* Output modes.  */
	tcflag_t c_oflag;
#define OPOST (1 << 0) /* Perform output processing.  */
#if defined __USE_MISC || defined __USE_XOPEN
#define ONLCR (1 << 1) /* Map NL to CR-NL on output.  */
#endif
#ifdef __USE_MISC
#define OXTABS TAB3 /* Expand tabs to spaces.  */
#define ONOEOT (1 << 3) /* Discard EOT (^D) on output.  */
#endif
#if defined __USE_MISC || defined __USE_XOPEN
#define OCRNL (1 << 4) /* Map CR to NL.  */
#define ONOCR (1 << 5) /* Discard CR's when on column 0.  */
#define ONLRET (1 << 6) /* Move to column 0 on NL.  */
#endif
#if defined __USE_MISC || defined __USE_XOPEN
#define NLDLY (3 << 8) /* NL delay.  */
#define NL0 (0 << 8) /* NL type 0.  */
#define NL1 (1 << 8) /* NL type 1.  */
#define TABDLY (3 << 10 | 1 << 2) /* TAB delay.  */
#define TAB0 (0 << 10) /* TAB delay type 0.  */
#define TAB1 (1 << 10) /* TAB delay type 1.  */
#define TAB2 (2 << 10) /* TAB delay type 2.  */
#define TAB3 (1 << 2) /* Expand tabs to spaces.  */
#define CRDLY (3 << 12) /* CR delay.  */
#define CR0 (0 << 12) /* CR delay type 0.  */
#define CR1 (1 << 12) /* CR delay type 1.  */
#define CR2 (2 << 12) /* CR delay type 2.  */
#define CR3 (3 << 12) /* CR delay type 3.  */
#define FFDLY (1 << 14) /* FF delay.  */
#define FF0 (0 << 14) /* FF delay type 0.  */
#define FF1 (1 << 14) /* FF delay type 1.  */
#define BSDLY (1 << 15) /* BS delay.  */
#define BS0 (0 << 15) /* BS delay type 0.  */
#define BS1 (1 << 15) /* BS delay type 1.  */
#define VTDLY (1 << 16) /* VT delay.  */
#define VT0 (0 << 16) /* VT delay type 0.  */
#define VT1 (1 << 16) /* VT delay type 1.  */
#endif /* __USE_MISC || __USE_XOPEN */
#ifdef __USE_GNU
#define OLCUC (1 << 17) /* Translate lower case output to upper case */
#endif
#ifdef __USE_XOPEN
#define OFILL (1 << 18) /* Send fill characters for delays.  */
#endif

	/* Control modes.  */
	tcflag_t c_cflag;
#ifdef __USE_MISC
#define CIGNORE (1 << 0) /* Ignore these control flags.  */
#endif
#define CSIZE (CS5 | CS6 | CS7 | CS8) /* Number of bits per byte (mask).  */
#define CS5 0 /* 5 bits per byte.  */
#define CS6 (1 << 8) /* 6 bits per byte.  */
#define CS7 (1 << 9) /* 7 bits per byte.  */
#define CS8 (CS6 | CS7) /* 8 bits per byte.  */
#define CSTOPB (1 << 10) /* Two stop bits instead of one.  */
#define CREAD (1 << 11) /* Enable receiver.  */
#define PARENB (1 << 12) /* Parity enable.  */
#define PARODD (1 << 13) /* Odd parity instead of even.  */
#define HUPCL (1 << 14) /* Hang up on last close.  */
#define CLOCAL (1 << 15) /* Ignore modem status lines.  */
#ifdef __USE_MISC
#define CRTSCTS (1 << 16) /* RTS/CTS flow control.  */
#define CRTS_IFLOW CRTSCTS /* Compatibility.  */
#define CCTS_OFLOW CRTSCTS /* Compatibility.  */
#define CDTRCTS (1 << 17) /* DTR/CTS flow control.  */
#define MDMBUF (1 << 20) /* DTR/DCD flow control.  */
#define CHWFLOW (MDMBUF | CRTSCTS | CDTRCTS) /* All types of flow control.  */
#endif

	/* Local modes.  */
	tcflag_t c_lflag;
#ifdef __USE_MISC
#define ECHOKE (1 << 0) /* Visual erase for KILL.  */
#endif
#define _ECHOE (1 << 1) /* Visual erase for ERASE.  */
#define ECHOE _ECHOE
#define _ECHOK (1 << 2) /* Echo NL after KILL.  */
#define ECHOK _ECHOK
#define _ECHO (1 << 3) /* Enable echo.  */
#define ECHO _ECHO
#define _ECHONL (1 << 4) /* Echo NL even if ECHO is off.  */
#define ECHONL _ECHONL
#ifdef __USE_MISC
#define ECHOPRT (1 << 5) /* Hardcopy visual erase.  */
#define ECHOCTL (1 << 6) /* Echo control characters as ^X.  */
#endif
#define _ISIG (1 << 7) /* Enable signals.  */
#define ISIG _ISIG
#define _ICANON (1 << 8) /* Do erase and kill processing.  */
#define ICANON _ICANON
#ifdef __USE_MISC
#define ALTWERASE (1 << 9) /* Alternate WERASE algorithm.  */
#endif
#define _IEXTEN (1 << 10) /* Enable DISCARD and LNEXT.  */
#define IEXTEN _IEXTEN
#ifdef __USE_MISC
#define EXTPROC (1 << 11) /* External processing.  */
#endif
#define _TOSTOP (1 << 22) /* Send SIGTTOU for background output.  */
#define TOSTOP _TOSTOP
#ifdef __USE_MISC
#define FLUSHO (1 << 23) /* Output being flushed (state).  */
#define NOKERNINFO (1 << 25) /* Disable VSTATUS.  */
#define PENDIN (1 << 29) /* Retype pending input (state).  */
#endif
#define _NOFLSH (1 << 31) /* Disable flush after interrupt.  */
#define NOFLSH _NOFLSH

	/* Control characters.  */
#define VEOF 0 /* End-of-file character [ICANON].  */
#define VEOL 1 /* End-of-line character [ICANON].  */
#ifdef __USE_MISC
#define VEOL2 2 /* Second EOL character [ICANON].  */
#endif
#define VERASE 3 /* Erase character [ICANON].  */
#ifdef __USE_MISC
#define VWERASE 4 /* Word-erase character [ICANON].  */
#endif
#define VKILL 5 /* Kill-line character [ICANON].  */
#ifdef __USE_MISC
#define VREPRINT 6 /* Reprint-line character [ICANON].  */
#endif
#define VINTR 8 /* Interrupt character [ISIG].  */
#define VQUIT 9 /* Quit character [ISIG].  */
#define VSUSP 10 /* Suspend character [ISIG].  */
#ifdef __USE_MISC
#define VDSUSP 11 /* Delayed suspend character [ISIG].  */
#endif
#define VSTART 12 /* Start (X-ON) character [IXON, IXOFF].  */
#define VSTOP 13 /* Stop (X-OFF) character [IXON, IXOFF].  */
#ifdef __USE_MISC
#define VLNEXT 14 /* Literal-next character [IEXTEN].  */
#define VDISCARD 15 /* Discard character [IEXTEN].  */
#endif
#define VMIN 16 /* Minimum number of bytes read at once [!ICANON].  */
#define VTIME 17 /* Time-out value (tenths of a second) [!ICANON].  */
#ifdef __USE_MISC
#define VSTATUS 18 /* Status character [ICANON].  */
#endif
#define NCCS 20 /* Value duplicated in <hurd/tioctl.defs>.  */
	cc_t c_cc[NCCS];

	/* Input and output baud rates.  */
	speed_t __ispeed, __ospeed;
#define B0 0 /* Hang up.  */
#define B50 50 /* 50 baud.  */
#define B75 75 /* 75 baud.  */
#define B110 110 /* 110 baud.  */
#define B134 134 /* 134.5 baud.  */
#define B150 150 /* 150 baud.  */
#define B200 200 /* 200 baud.  */
#define B300 300 /* 300 baud.  */
#define B600 600 /* 600 baud.  */
#define B1200 1200 /* 1200 baud.  */
#define B1800 1800 /* 1800 baud.  */
#define B2400 2400 /* 2400 baud.  */
#define B4800 4800 /* 4800 baud.  */
#define B9600 9600 /* 9600 baud.  */
#define B7200 7200 /* 7200 baud.  */
#define B14400 14400 /* 14400 baud.  */
#define B19200 19200 /* 19200 baud.  */
#define B28800 28800 /* 28800 baud.  */
#define B38400 38400 /* 38400 baud.  */
#ifdef __USE_MISC
#define EXTA 19200
#define EXTB 38400
#endif
#define B57600 57600
#define B76800 76800
#define B115200 115200
#define B230400 230400
#define B460800 460800
#define B500000 500000
#define B576000 576000
#define B921600 921600
#define B1000000 1000000
#define B1152000 1152000
#define B1500000 1500000
#define B2000000 2000000
#define B2500000 2500000
#define B3000000 3000000
#define B3500000 3500000
#define B4000000 4000000
};

#define _IOT_termios /* Hurd ioctl type field.  */                             \
	_IOT(_IOTS(tcflag_t), 4, _IOTS(cc_t), NCCS, _IOTS(speed_t), 2)

/* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'.  */
#define TCSANOW 0 /* Change immediately.  */
#define TCSADRAIN 1 /* Change when pending output is written.  */
#define TCSAFLUSH 2 /* Flush pending input before changing.  */
#ifdef __USE_MISC
#define TCSASOFT 0x10 /* Flag: Don't alter hardware state.  */
#endif

/* Values for the QUEUE_SELECTOR argument to `tcflush'.  */
#define TCIFLUSH 1 /* Discard data received but not yet read.  */
#define TCOFLUSH 2 /* Discard data written but not yet sent.  */
#define TCIOFLUSH 3 /* Discard all pending data.  */

/* Values for the ACTION argument to `tcflow'.  */
#define TCOOFF 1 /* Suspend output.  */
#define TCOON 2 /* Restart suspended output.  */
#define TCIOFF 3 /* Send a STOP character.  */
#define TCION 4 /* Send a START character.  */
#endif
